package com.atguigu.common.vaild;

import io.swagger.models.auth.In;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.ConstraintViolation;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstrainValidator implements ConstraintValidator<ListValue, Integer> {
    private Set<Integer> set=new HashSet<>();

    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
            int[] vals=constraintAnnotation.vals();
            for (int val:vals){
                set.add(val);
            }
    }

    //判断是否校验成功

    /**
     *
     * @param value 需要校验的值
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(value);
    }
}
